Species Details

Arabis oregana

Oregon rockcress

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Photo of Arabis oregana
©2021 Scot Loring
Photo of Arabis oregana
© 2011 Jake Ruygt
Photo of Arabis oregana
© 2021 Scot Loring
Scientific Name:
Arabis oregana Roll.
Common Name:
Oregon rockcress
Family: Brassicaceae
Element Code: PDBRA061A0
USDA Plants Symbol: AROR
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: May
Elevation:
600 - 1830 meters
1970 - 6005 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Serpentinite
Notes:
Many collections in Klamath region. 
Threats:
Taxonomy:

Exact taxonomic status of NAP Co. occurrence needs to be determined. 

Other:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Napa (NAP), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Clear Creek (4112364), Dees Peak (4112313), Dewey Gulch (4112273), Forks of Salmon (4112333), Hamburg (4112371), Hayfork Bally (4012362), Indian Creek Baldy (4112267), Jericho Valley (3812274), Kangaroo Mtn. (4112382), Knoxville (3812273), McKinley Mtn. (4112277), Orleans Mtn. (4112334), Scott Bar (4112361), Seiad Valley (4112372), Somes Bar (4112344), Youngs Peak (4112323)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads